import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/add.vue'
import Oredr from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const vuerouter = new VueRouter({
  routes: [
    // 重定向到login
    {
      path: '/',
      redirect: '/login'
    },
    // login组件的地址
    {
      path: '/login',
      component: Login
    },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [{
        path: '/welcome',
        component: Welcome
      }, {
        path: '/users',
        component: Users
      },
      {
        path: '/rights',
        component: Rights
      },
      {
        path: '/roles',
        component: Roles
      },
      {
        path: '/categories',
        component: Cate
      },
      {
        path: '/params',
        component: Params
      },
      {
        path: '/goods',
        component: GoodsList
      },
      {
        path: '/goods/add',
        component: Add
      },
      {
        path: '/orders',
        component: Oredr
      },
      {
        path: '/reports',
        component: Report
      }]
    }
  ]
})

// 挂载导航守卫
vuerouter.beforeEach((to, from, next) => {
  // to 表示将要访问的路径
  // from 表示来的路径
  // next 是一个函数 next（）表示放行  next（'/login'表示强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default vuerouter
